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Prompt Cards
These two group activities use mathematical reasoning - one is numerical, one geometric.
Consecutive Numbers
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Exploring Wild & Wonderful Number Patterns
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.
Age 7 to 11
Challenge Level
On Annie's ninth birthday her Mum made her a cake which had the figures from $0$ to $9$ round the edge in red icing instead of candles.
Starting from the centre, Annie cut the cake into $3$ pieces with $3$ cuts so that the numbers on each piece added to the same total.
Where were the cuts and what fraction of the whole cake was each piece?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.